表を表示
| 1980 | 2,731 | 1996 | 751 | 2012 | 428 |
| 1981 | 2,301 | 1997 | 643 | 2013 | 481 |
| 1982 | 2,422 | 1998 | 461 | 2014 | 512 |
| 1983 | 1,891 | 1999 | 410 | 2015 | 520 |
| 1984 | 1,222 | 2000 | 397 | 2016 | 477 |
| 1985 | 1,081 | 2001 | 147 | 2017 | 455 |
| 1986 | 1,174 | 2002 | 171 | 2018 | 548 |
| 1987 | 1,076 | 2003 | 172 | 2019 | 533 |
| 1988 | 1,207 | 2004 | 189 | 2020 | 514 |
| 1989 | 1,189 | 2005 | 227 | 2021 | 630 |
| 1990 | 1,192 | 2006 | 266 | 2022 | 727 |
| 1991 | 1,121 | 2007 | 311 | 2023 | 699 |
| 1992 | 973 | 2008 | 367 | 2024 | 744 |
| 1993 | 1,222 | 2009 | 292 | 2025 | 871 |
| 1994 | 640 | 2010 | 339 | 2026 | 1,122 |
| 1995 | 602 | 2011 | 388 | | |
表を表示
| 1988 | 0 | 2001 | 4.51万 | 2014 | 47.4万 |
| 1989 | 0 | 2002 | 5.94万 | 2015 | 48.1万 |
| 1990 | 0 | 2003 | 6.89万 | 2016 | 48.9万 |
| 1991 | 0 | 2004 | 7.57万 | 2017 | 66.7万 |
| 1992 | 0 | 2005 | 10.7万 | 2018 | 88.9万 |
| 1993 | 0 | 2006 | 12.5万 | 2019 | 87.8万 |
| 1994 | 8 | 2007 | 16万 | 2020 | 95.2万 |
| 1995 | 42 | 2008 | 20.8万 | 2021 | 125万 |
| 1996 | 300 | 2009 | 23.8万 | 2022 | 146万 |
| 1997 | 771 | 2010 | 30.7万 | 2023 | 171万 |
| 1998 | 968 | 2011 | 35.6万 | 2024 | 210万 |
| 1999 | 4,925 | 2012 | 39.3万 | 2025 | 233万 |
| 2000 | 2.74万 | 2013 | 44.2万 | 2026 | 252万 |
表を表示
| 1980 | 33.3万 | 1996 | 14.1万 | 2012 | 13.2万 |
| 1981 | 32.6万 | 1997 | 12.3万 | 2013 | 14万 |
| 1982 | 31.4万 | 1998 | 11.6万 | 2014 | 14.6万 |
| 1983 | 30.8万 | 1999 | 11万 | 2015 | 15万 |
| 1984 | 31.3万 | 2000 | 9.79万 | 2016 | 14.6万 |
| 1985 | 30.4万 | 2001 | 9.31万 | 2017 | 14.7万 |
| 1986 | 30.8万 | 2002 | 9.3万 | 2018 | 15.1万 |
| 1987 | 30.6万 | 2003 | 9.61万 | 2019 | 14.7万 |
| 1988 | 29.8万 | 2004 | 10万 | 2020 | 14.4万 |
| 1989 | 28.5万 | 2005 | 10.7万 | 2021 | 14.8万 |
| 1990 | 25.8万 | 2006 | 10.8万 | 2022 | 15.7万 |
| 1991 | 22.8万 | 2007 | 11.4万 | 2023 | 16.5万 |
| 1992 | 19.7万 | 2008 | 11.8万 | 2024 | 17万 |
| 1993 | 16.4万 | 2009 | 11.5万 | 2025 | 17.4万 |
| 1994 | 14.8万 | 2010 | 12万 | 2026 | 17.8万 |
| 1995 | 14.7万 | 2011 | 12.5万 | | |